A phone can only be used on a network if it supports the correct band(s). Quad-band usually refers to a phone using GSM technology. A quad-band GSM phone is one that can be used for basic service ...

Here’s how it works. The best unlocked phones let you get whatever device you want while remaining free from carrier payment plans. Although you have to buy them upfront, you can then bring that ...

For North American TDMA and CDMA phones, dual-band indicates that the phone will work in both the 800/850 MHz band and the 1900 MHz band. Most current TDMA phones in the U.S. are tri-mode ...

(1) A cellphone that operates on any cellular carrier's network that supports the same air interface (GSM or CDMA) and frequency bands built into the device. See SIM card, SIM lock, jailbreaking ...

Magenta includes international ... unlocked phones. For example, the OnePlus Nord N20 5G, our previous pick for the best budget Android phone, doesn’t work on Verizon. And although C-band ...

Depending on where you buy it, your Android phone may be unlocked and can support SIM ... or to replace your SIM card with an international one when you travel abroad.

or maybe you want the flexibility to use an international SIM while traveling. Next time you buy a phone, double-check to make sure that it's unlocked. Sellers like Best Buy and Amazon sell both ...

You’re almost always better off paying a bit more for a newer and better phone that you’ll enjoy using for at least two years. Another popular option is to buy an unlocked phone outright.

The FBI says it has unlocked the phone belonging to Thomas Matthew Crooks, the suspect behind an assassination attempt on ...

The Galaxy Z Fold 6 is Samsung's best folding phone yet. It's thinner and lighter than previous iterations, has a more durable design, and comes with genuinely useful Galaxy AI features. Both ...